.contain {
  margin: .4rem .25rem;
  height: calc(100% - 1.62rem);
  width: calc(100% - .5rem);
  background-image: url('../img/bg1.png');
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.left-block {
  width: 2.5rem;
  margin: .2rem;
  background-color: rgba(40, 65, 83, 0.9);
}

.right-block {
  width: calc(100% - 2.5rem - .4rem - .3rem);
  padding-top: .25rem;
  padding-right: .3rem;
}

.search-content {
  height: calc(100% - .4rem - .2rem);
  padding-top: .2rem;
}